353421504 has 84 divisors (see below), whose sum is σ = 1017306576. Its totient is φ = 117308928.

The previous prime is 353421479. The next prime is 353421557. The reversal of 353421504 is 405124353.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150322 + ... + 152654.

Almost surely, 2^353421504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 353421504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508653288).

353421504 is an abundant number, since it is smaller than the sum of its proper divisors (663885072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

353421504 is a wasteful number, since it uses less digits than its factorization.

353421504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 353421504 is about 18799.5080786706. The cubic root of 353421504 is about 707.0188458559.

Adding to 353421504 its reverse (405124353), we get a palindrome (758545857).

The spelling of 353421504 in words is "three hundred fifty-three million, four hundred twenty-one thousand, five hundred four".